The frequency of vibrations of a piano string varies directly as the square root of the tension on the string and inversely as the length of the string. The middle A string has a frequency of 410 vibrations per second. Find the frequency of a string that has 1.75 times as much tension and is 1.2 times as long.
What will be an ideal response?
451.98 vibrations / sec
Mathematics
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Change the improper fraction to a whole or mixed number.
A. 1
B. 2
C. 2
D. 3
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Add or subtract as indicated. Simplify the result if possible. If an answer is an improper fraction, write it as a mixed number.
+ 
A. 
B. 
C. 
D. 1
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Solve the problem.A car company sold 4020 cars over the last 5 years. Round the number of cars to the nearest hundred.
A. 4100 B. 3900 C. 4000 D. 4010
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Rewrite the following number using digits.Thirty-two thousand, nine hundred five
A. 32,905 B. 320,905 C. 3295 D. 32,950
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